We're dividing 909975 by 91 
We want to figure out the number of times 909975 can be divided by 91.

Moving on to step 1:
If we divide 9 by 91, we get 0 and a remainder of 9.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we subtract 0 from 9, we get 9.
Bring next digit (0) of the dividend behind the 9 and repeat the process: 90 / 91

On to step 2:
When dividing 90 by 91, we get 0 with a remainder of 90.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Deduct 0 from 90 and we're left with 90.
Bring next digit (9) of the dividend behind the 90 and repeat the process: 909 / 91

Going ahead to step 3:
91 goes into 909 9 times with a remainder of 90.
Write down 9 as next digit of the result. 
Result so far: 9.0
If we take 819 away from 909, we end up with 90.
Append the next digit (9) from the dividend to 90 and continue with: 909 / 91

On to step 4:
If we divide 909 by 91, we get 9 and a remainder of 90.
Put 9 as the next digit of the answer. 
Result so far: 99.0
If we take 819 away from 909, we end up with 90.
Take the next digit (7) from the dividend and append it to 90, then repeat: 907 / 91

Going ahead to step 5:
91 can be fit into 907 9 times, resulting in a remainder of 88.
The next digit of our result is 9. 
Result so far: 999.0
If we take 819 away from 907, we end up with 88.
Bring next digit (5) of the dividend behind the 88 and repeat the process: 885 / 91

Step 6:
91 can be fit into 885 9 times, resulting in a remainder of 66.
Put 9 as the next digit of the answer. 
Result so far: 9999.0
If we take 819 away from 885, we end up with 66.
Since there are no more digits in the dividend, we add a zero to the remainder making it 660, and continue the process.

Step 7:
660 divided by 91 is 7 with a remainder of 23.
The number 7 becomes the next digit in our result. 
Result so far: 9999.7
Deduct 637 from 660 and we're left with 23.
Since there are no more digits in the dividend, we add a zero to the remainder making it 230, and continue the process.

Going ahead to step 8:
91 goes into 230 2 times with a remainder of 48.
Use 2 as the next digit of our solution. 
Result so far: 9999.72
The remainder is 48 after subtracting 182 from 230.
Since there are no more digits in the dividend, we add a zero to the remainder making it 480, and continue the process.

Going ahead to step 9:
91 can be fit into 480 5 times, resulting in a remainder of 25.
Record the quotient 5 as the next digit in the result. 
Result so far: 9999.725
Deduct 455 from 480 and we're left with 25.
Since there are no more digits in the dividend, we add a zero to the remainder making it 250, and continue the process.

Advancing to step 10:
250 divided by 91 is 2 with a remainder of 68.
Use 2 as the next digit of our solution. 
Result so far: 9999.7252
Subtracting 182 from 250 leaves us with 68.
Since there are no more digits in the dividend, we add a zero to the remainder making it 680, and continue the process.

Let's proceed to step 11:
When dividing 680 by 91, we get 7 with a remainder of 43.
Use 7 as the next digit of our solution. 
Result so far: 9999.72527
Subtract 637 from 680 to get 43.
Since there are no more digits in the dividend, we add a zero to the remainder making it 430, and continue the process.

Step 12:
The number 91 fits into 430 4 times, leaving a remainder of 66.
The next digit of our result is 4. 
Result so far: 9999.725274
If we subtract 364 from 430, we get 66.
Since there are no more digits in the dividend, we add a zero to the remainder making it 660, and continue the process.

Going ahead to step 13:
91 can be fit into 660 7 times, resulting in a remainder of 23.
Record the quotient 7 as the next digit in the result. 
Result so far: 9999.7252747
Deduct 637 from 660 and we're left with 23.
Since there are no more digits in the dividend, we add a zero to the remainder making it 230, and continue the process.

Step 14:
The number 91 fits into 230 2 times, leaving a remainder of 48.
The number 2 becomes the next digit in our result. 
Result so far: 9999.72527472
If we subtract 182 from 230, we get 48.
Since there are no more digits in the dividend, we add a zero to the remainder making it 480, and continue the process.

The final result is 9999.72527472 with a remainder of 4.8e-08.